4 Ab-Sculpting Plank Variations

For a sculpted stomach, you'll need to work out every single muscle in your core. Celebrity trainer Tracy Anderson shows you how to do four powerful variations on the plank, designed to tighten and tone your middle. Do these moves six times a week, paired with 30 minutes of cardio, for major results. | Health.com

Why Some People Sweat a Lot More Than Others

Why Some People Sweat a Lot More Than Others. Sweat. It's a good thing! Fit people start sweating earlier in their workout. "If you start to sweat at a lower temperature and increase your sweating rate as you get hotter during hard exercise, you’re less likely to reach the critical temperature[/passing out from overheating.]"